July 24, 2019 
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July 24, 2019 [00:02:26] *** bpmedley <bpmedley!~bpm@108-70-12-197.lightspeed.clmasc.sbcglobal.net> has quit IRC (Quit: Textual IRC Client: www.textualapp.com)[00:03:20] *** ville <ville!~ville@212-149-214-47.bb.dnainternet.fi> has quit IRC (Quit: Lost terminal)[00:04:09] *** ville <ville!~ville@212-149-214-47.bb.dnainternet.fi> has joined ##OpenGL[00:09:39] *** thoys <thoys!~thoys@84-107-217-107.cable.dynamic.v4.ziggo.nl> has quit IRC (Quit: I might come back later)[00:17:26] *** LunarJetman <LunarJetman!LunarJetma@176.248.197.112> has left ##OpenGL[00:20:40] *** Kingsqueee <Kingsqueee!~kingsquee@node-1w7jr9qmxqrpow98mke9t5qou.ipv6.telus.net> has joined ##OpenGL[00:22:09] *** bpmedley <bpmedley!~bpm@2600:1700:eb20:6050:652d:ece:6f44:f407> has joined ##OpenGL[00:39:40] *** thoys <thoys!~thoys@84-107-217-107.cable.dynamic.v4.ziggo.nl> has joined ##OpenGL[00:42:13] *** immibis <immibis!~immibis@222-153-90-196-fibre.sparkbb.co.nz> has joined ##OpenGL[01:02:40] *** DrBenway <DrBenway!~DrBenway@modemcable080.164-57-74.mc.videotron.ca> has joined ##OpenGL[01:02:58] *** immibis <immibis!~immibis@222-153-90-196-fibre.sparkbb.co.nz> has quit IRC (Ping timeout: 248 seconds)[01:05:21] *** ville <ville!~ville@212-149-214-47.bb.dnainternet.fi> has quit IRC (Quit: Lost terminal)[01:07:04] *** ville <ville!~ville@212-149-214-47.bb.dnainternet.fi> has joined ##OpenGL[01:10:22] *** mukunda <mukunda!mukunda@adsl-74-240-49-73.jan.bellsouth.net> has joined ##OpenGL[01:11:40] *** zalt_ <zalt_!~lambda443@unaffiliated/lambda443> has joined ##OpenGL[01:11:40] *** zalt <zalt!~lambda443@unaffiliated/lambda443> has quit IRC (Read error: Connection reset by peer)[01:13:53] *** zalt_ <zalt_!~lambda443@unaffiliated/lambda443> has quit IRC (Read error: Connection reset by peer)[01:18:45] *** zalt <zalt!~lambda443@unaffiliated/lambda443> has joined ##OpenGL[01:19:22] *** cocholate <cocholate!~cppfag@177.41.62.114> has joined ##OpenGL[01:25:46] *** ville <ville!~ville@212-149-214-47.bb.dnainternet.fi> has quit IRC (Quit:)[01:28:35] *** zalt_ <zalt_!~lambda443@unaffiliated/lambda443> has joined ##OpenGL[01:30:48] *** zalt <zalt!~lambda443@unaffiliated/lambda443> has quit IRC (Ping timeout: 258 seconds)[01:31:50] *** cocholate <cocholate!~cppfag@177.41.62.114> has quit IRC (Quit: cocholate)[01:41:26] *** slidercrank <slidercrank!~slidercra@ircpuzzles/2015/april-fools/fifth/slidercrank> has quit IRC (Ping timeout: 244 seconds)[01:42:46] *** Karyon <Karyon!~Karyon@unaffiliated/karyon> has quit IRC (Quit: ZNC - https://znc.in)[01:44:26] *** Karyon <Karyon!~Karyon@unaffiliated/karyon> has joined ##OpenGL[01:57:31] *** binezap <binezap!~binezap@96.53.62.146> has joined ##OpenGL[02:05:41] *** DrBenway <DrBenway!~DrBenway@modemcable080.164-57-74.mc.videotron.ca> has quit IRC (Read error: Connection reset by peer)[02:07:47] *** zalt_ <zalt_!~lambda443@unaffiliated/lambda443> has quit IRC (Ping timeout: 244 seconds)[02:08:42] *** Singmyr <Singmyr!~Singmyr@c83-253-123-62.bredband.comhem.se> has quit IRC (Quit: My MacBook has gone to sleep. ZZZzzz…)[02:18:17] *** DrBenway <DrBenway!~DrBenway@modemcable080.164-57-74.mc.videotron.ca> has joined ##OpenGL[02:23:58] *** Karyon <Karyon!~Karyon@unaffiliated/karyon> has quit IRC (Quit: ZNC - https://znc.in)[02:24:25] *** Karyon <Karyon!~Karyon@unaffiliated/karyon> has joined ##OpenGL[02:34:24] *** lmariscal <lmariscal!~lmariscal@unaffiliated/lmariscal> has quit IRC (Quit: Ping timeout (120 seconds))[02:34:52] *** lmariscal <lmariscal!~lmariscal@unaffiliated/lmariscal> has joined ##OpenGL[02:35:40] *** awygle <awygle!~quassel@2604:a880:2:d0::5380:3001> has quit IRC (Quit: No Ping reply in 180 seconds.)[02:36:45] *** awygle <awygle!~quassel@2604:a880:2:d0::5380:3001> has joined ##OpenGL[02:51:08] *** mefesto` is now known as mefesto[02:51:38] *** mefesto <mefesto!~user@107.145.49.162> has quit IRC (Quit: ERC (IRC client for Emacs 26.2))[02:52:05] *** mefesto <mefesto!~user@107.145.49.162> has joined ##OpenGL[02:57:39] *** ratchetfreak <ratchetfreak!~ratchetfr@ptr-82s3g7l9r42569r41f4.18120a2.ip6.access.telenet.be> has quit IRC (Ping timeout: 264 seconds)[02:58:32] *** Motig <Motig!~Motig@unaffiliated/motig> has quit IRC (Quit: Bye)[02:58:34] *** DrBenway <DrBenway!~DrBenway@modemcable080.164-57-74.mc.videotron.ca> has quit IRC (Read error: Connection reset by peer)[03:00:31] *** DrBenway <DrBenway!~DrBenway@modemcable080.164-57-74.mc.videotron.ca> has joined ##OpenGL[03:03:04] *** Lunatrius <Lunatrius!~Lunatrius@77.38.28.243> has quit IRC (Ping timeout: 246 seconds)[03:15:37] *** Twipply <Twipply!~Twipply@unaffiliated/twipply> has quit IRC (Quit: Leaving)[03:20:32] *** Motig <Motig!~Motig@unaffiliated/motig> has joined ##OpenGL[03:30:44] *** Lunatrius <Lunatrius!~Lunatrius@77.38.28.243> has joined ##OpenGL[04:03:11] *** dansho <dansho!~dansho4@71-84-161-204.dhcp.astr.or.charter.com> has joined ##OpenGL[04:03:50] *** SwiftMatt <SwiftMatt!~Objective@2601:282:4300:3e:f8f5:530f:f968:4e18> has joined ##OpenGL[04:26:40] *** SwiftMatt <SwiftMatt!~Objective@2601:282:4300:3e:f8f5:530f:f968:4e18> has quit IRC (Ping timeout: 276 seconds)[04:36:09] *** glYoda <glYoda!~kristinam@c-73-25-27-206.hsd1.or.comcast.net> has joined ##OpenGL[04:41:44] *** KAHR-Alpha <KAHR-Alpha!~Alpha@2a01cb0d024a6600c00d89a77eee3e6e.ipv6.abo.wanadoo.fr> has quit IRC (Ping timeout: 252 seconds)[04:48:56] *** cantstanya <cantstanya!~chatting@gateway/tor-sasl/cantstanya> has quit IRC (Ping timeout: 260 seconds)[04:50:39] *** cantstanya <cantstanya!~chatting@gateway/tor-sasl/cantstanya> has joined ##OpenGL[04:59:39] *** kraft <kraft!~kraft@gateway/shell/blinkenshell.org/x-wfgffkekeapicgwl> has quit IRC (Remote host closed the connection)[05:00:06] *** kraft <kraft!kraft@gateway/shell/blinkenshell.org/x-tpvjjnemwgchiimb> has joined ##OpenGL[05:04:02] <lapsang> who's responsible for this glTF business[05:05:06] *** kraft <kraft!kraft@gateway/shell/blinkenshell.org/x-tpvjjnemwgchiimb> has quit IRC (Ping timeout: 248 seconds)[05:05:39] *** slime <slime!~slime73@24.215.81.93> has quit IRC (Quit: This computer has gone to sleep)[05:06:00] *** kraft <kraft!kraft@gateway/shell/blinkenshell.org/x-ecrqfoyqnbhnrsxs> has joined ##OpenGL[05:22:20] *** Lord-Kamina <Lord-Kamina!~Lord-Kami@pc-71-21-164-190.cm.vtr.net> has joined ##OpenGL[05:31:12] *** Vasco is now known as Vasco_O[05:39:50] *** cfoch <cfoch!uid153227@gateway/web/irccloud.com/x-vcsyeqdvusetdetk> has joined ##OpenGL[05:43:07] *** guardianx <guardianx!~neon@60-241-62-242.tpgi.com.au> has joined ##OpenGL[05:45:22] *** fatalhalt <fatalhalt!~fatalhalt@c-67-163-60-93.hsd1.il.comcast.net> has quit IRC (Quit: fatal halt)[06:03:38] *** Jeanne-Kamikaze <Jeanne-Kamikaze!~Jeanne-Ka@205.234.124.69> has joined ##OpenGL[06:06:30] *** Nicmavr <Nicmavr!~Nicmavr@unaffiliated/nicmavr> has quit IRC (Read error: Connection reset by peer)[06:08:11] *** Nicmavr <Nicmavr!~Nicmavr@unaffiliated/nicmavr> has joined ##OpenGL[06:30:46] *** xtrWrithe <xtrWrithe!~xtrWrithe@45.162.228.187> has quit IRC (Ping timeout: 244 seconds)[06:33:28] *** xtrWrithe <xtrWrithe!~xtrWrithe@45.162.228.187> has joined ##OpenGL[06:42:48] *** lapsang <lapsang!~g@gateway/tor-sasl/gaiwan> has quit IRC (Ping timeout: 260 seconds)[06:46:00] *** lapsang <lapsang!~g@gateway/tor-sasl/gaiwan> has joined ##OpenGL[06:46:41] <wrobinso1> zid: I see you're on the take again...[07:02:31] *** cshzg <cshzg!~dietary@181.53.12.207> has quit IRC (Quit: Leaving.)[07:03:28] *** macroprep <macroprep!~smallvill@cpe-172-193-104-55.qld.foxtel.net.au> has joined ##OpenGL[07:03:35] <macroprep> how do i run opengles3 in a pthread as glCreateShader returns 0 (https://github.com/googlesamples/android-ndk/blob/86ceeb248bb20bfffb09330d1a95bcf3e91bb99d/gles3jni/app/src/main/cpp/gles3jni.cpp#L43) but glGetError returns GL_NO_ERROR (0)[07:03:45] *** snyp <snyp!~Snyp@49.207.48.89> has joined ##OpenGL[07:20:32] *** ville <ville!~ville@212-149-214-47.bb.dnainternet.fi> has joined ##OpenGL[07:20:38] *** ville <ville!~ville@212-149-214-47.bb.dnainternet.fi> has quit IRC (Client Quit)[07:23:37] *** ville <ville!~ville@212-149-214-47.bb.dnainternet.fi> has joined ##OpenGL[07:24:42] *** Lord-Kam_ <Lord-Kam_!~Lord-Kami@pc-71-21-164-190.cm.vtr.net> has joined ##OpenGL[07:24:50] *** Lord-Kamina <Lord-Kamina!~Lord-Kami@pc-71-21-164-190.cm.vtr.net> has quit IRC (Ping timeout: 248 seconds)[07:28:10] *** karab44 <karab44!~karab44@unaffiliated/karab44> has joined ##OpenGL[07:39:13] *** slidercrank <slidercrank!~slidercra@ircpuzzles/2015/april-fools/fifth/slidercrank> has joined ##OpenGL[07:41:00] *** zalt <zalt!~lambda443@unaffiliated/lambda443> has joined ##OpenGL[07:45:29] <macroprep> how can i run `OpenGL` from multiple threads as `glCreateShader` returns `0` but `glGetError` returns `GL_NO_ERROR` *[07:46:10] *** Foritus <Foritus!~buggery@cpc91334-watf11-2-0-cust153.15-2.cable.virginm.net> has quit IRC (Read error: Connection reset by peer)[07:47:27] *** Foritus <Foritus!~buggery@cpc91334-watf11-2-0-cust153.15-2.cable.virginm.net> has joined ##OpenGL[07:48:38] <lapsang> watching training videos with guy with a french accent... "eet ees on ze shitter"[07:52:29] <macroprep> lol[07:54:19] <lapsang> "ze vertix shitter"[07:57:39] *** groton <groton!~groton@unaffiliated/groton> has quit IRC (Quit: groton)[07:58:48] *** snyp <snyp!~Snyp@49.207.48.89> has quit IRC (Ping timeout: 272 seconds)[08:01:38] *** zalt <zalt!~lambda443@unaffiliated/lambda443> has quit IRC (Read error: Connection reset by peer)[08:01:40] *** Jeanne-Kamikaze <Jeanne-Kamikaze!~Jeanne-Ka@205.234.124.69> has quit IRC (Remote host closed the connection)[08:03:26] *** zalt <zalt!~lambda443@unaffiliated/lambda443> has joined ##OpenGL[08:07:14] <guardianx> greetings from NSW btw macroprep[08:08:44] <macroprep> cx[08:11:10] <lapsang> i made instanced grass today.[08:11:28] *** zalt <zalt!~lambda443@unaffiliated/lambda443> has quit IRC (Ping timeout: 272 seconds)[08:11:41] <lapsang> anyone do anything fun?[08:17:38] *** dansho <dansho!~dansho4@71-84-161-204.dhcp.astr.or.charter.com> has quit IRC (Ping timeout: 248 seconds)[08:20:19] *** gareppa <gareppa!~gareppa@unaffiliated/gareppa> has joined ##OpenGL[08:20:53] *** gareppa <gareppa!~gareppa@unaffiliated/gareppa> has quit IRC (Remote host closed the connection)[08:23:28] *** stefkos <stefkos!~Pawel@79.184.209.104.ipv4.supernova.orange.pl> has joined ##OpenGL[08:27:37] <macroprep> cx[08:31:26] *** dansho <dansho!~dansho4@71-84-161-204.dhcp.astr.or.charter.com> has joined ##OpenGL[08:33:39] <lapsang> vertex noise sucks[08:36:15] *** tab-key <tab-key!~mantra@2601:601:c980:8fd:f9b9:d5e4:8e5c:21b7> has quit IRC (Read error: Connection reset by peer)[08:42:10] *** slidercrank <slidercrank!~slidercra@ircpuzzles/2015/april-fools/fifth/slidercrank> has quit IRC (Ping timeout: 248 seconds)[08:54:08] *** ratchetfreak <ratchetfreak!~ratchetfr@ptr-82s3g7l9r42569r41f4.18120a2.ip6.access.telenet.be> has joined ##OpenGL[08:55:14] *** wrobinso1 is now known as wrobinson[08:59:01] *** ratchetfreak <ratchetfreak!~ratchetfr@ptr-82s3g7l9r42569r41f4.18120a2.ip6.access.telenet.be> has quit IRC 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<gareppa!~gareppa@unaffiliated/gareppa> has quit IRC (Client Quit)[11:16:03] *** lapsang <lapsang!~g@gateway/tor-sasl/gaiwan> has quit IRC (Remote host closed the connection)[11:35:24] *** ratchetfreak <ratchetfreak!~ratchetfr@ptr-82s3g7l9r42569r41f4.18120a2.ip6.access.telenet.be> has joined ##OpenGL[11:40:15] *** Fr0stBit <Fr0stBit!~theartist@195.167.74.87> has joined ##OpenGL[11:45:29] *** gareppa <gareppa!~gareppa@unaffiliated/gareppa> has joined ##OpenGL[11:45:56] *** gareppa <gareppa!~gareppa@unaffiliated/gareppa> has quit IRC (Remote host closed the connection)[11:46:53] *** stefkos_ <stefkos_!~Pawel@79.184.209.104.ipv4.supernova.orange.pl> has joined ##OpenGL[11:49:33] *** random_yanek <random_yanek!~random_ya@host-89-230-167-159.dynamic.mm.pl> has quit IRC (Ping timeout: 244 seconds)[11:50:04] *** stefkos <stefkos!~Pawel@79.184.209.104.ipv4.supernova.orange.pl> has quit IRC (Ping timeout: 244 seconds)[11:56:38] *** random_yanek <random_yanek!~random_ya@host-89-230-165-231.dynamic.mm.pl> has joined ##OpenGL[12:29:05] *** KAHR-Alpha <KAHR-Alpha!~Alpha@2a01cb0d024a6600108a3663fa95a7eb.ipv6.abo.wanadoo.fr> has joined ##OpenGL[12:49:46] *** ratchetfreak <ratchetfreak!~ratchetfr@ptr-82s3g7l9r42569r41f4.18120a2.ip6.access.telenet.be> has quit IRC (Ping timeout: 252 seconds)[13:01:21] *** slime <slime!~slime73@24.215.81.93> has joined ##OpenGL[13:03:02] *** neure <neure!~timo@mobile-access-5d6af6-46.dhcp.inet.fi> has joined ##OpenGL[13:03:19] <neure> anyone know what TOP_LEVEL_ARRAY_SIZE program resource query returns?[13:03:28] <neure> The specification language is a bit cryptic..[13:14:02] <Yaniel> the what[13:16:20] <Yaniel> ah, found it[13:17:03] *** Kingsqueee <Kingsqueee!~kingsquee@node-1w7jr9qmxqrpow98mke9t5qou.ipv6.telus.net> has quit IRC (Quit: https://i.imgur.com/qicT3GK.gif)[13:19:03] *** DrBenway <DrBenway!~DrBenway@modemcable080.164-57-74.mc.videotron.ca> has quit IRC (Read error: Connection reset by peer)[13:20:44] <Yaniel> I haven't touched shader storage stuff, does the explanation here make any sense? https://www.khronos.org/opengl/wiki/Program_Introspection[13:23:22] *** immibis <immibis!~immibis@222-153-90-196-fibre.sparkbb.co.nz> has quit IRC (Ping timeout: 245 seconds)[13:26:17] *** slime <slime!~slime73@24.215.81.93> has quit IRC (Quit: This computer has gone to sleep)[13:32:21] *** lecx <lecx!lex@yuuh.pw> has quit IRC (*.net *.split)[13:35:44] *** mukunda <mukunda!mukunda@adsl-74-240-49-73.jan.bellsouth.net> has quit IRC (Ping timeout: 272 seconds)[13:38:05] *** lecx <lecx!lex@yuuh.pw> has joined ##OpenGL[13:51:34] *** DrGonzo <DrGonzo!~DrGonzo@modemcable080.164-57-74.mc.videotron.ca> has joined ##OpenGL[13:55:55] *** ratchetfreak <ratchetfreak!~ratchetfr@ptr-82s3g7l9r42569r41f4.18120a2.ip6.access.telenet.be> has joined ##OpenGL[13:57:02] <neure> it does, thanks![13:59:54] *** dansho <dansho!~dansho4@71-84-161-204.dhcp.astr.or.charter.com> has quit IRC (Quit: 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has joined ##OpenGL[16:50:02] *** gareppa <gareppa!~gareppa@unaffiliated/gareppa> has quit IRC (Quit: Leaving)[16:50:59] *** learningc <learningc!~learningc@121.122.92.39> has quit IRC (Remote host closed the connection)[16:51:18] *** BPL <BPL!~BPL@102.56.27.77.dynamic.reverse-mundo-r.com> has joined ##OpenGL[16:51:39] *** learningc <learningc!~learningc@121.122.92.39> has joined ##OpenGL[16:53:22] *** Lunatrius <Lunatrius!~Lunatrius@77.38.22.40> has quit IRC (Ping timeout: 248 seconds)[16:56:52] *** Lunatrius <Lunatrius!~Lunatrius@77.38.22.40> has joined ##OpenGL[17:04:12] *** Lunatrius <Lunatrius!~Lunatrius@77.38.22.40> has quit IRC (Ping timeout: 245 seconds)[17:05:13] *** Vasco <Vasco!vasco_O@LOOK.MOM.I.AM.ON.TEH.INTARD.NET> has quit IRC (Remote host closed the connection)[17:05:22] *** Lunatrius <Lunatrius!~Lunatrius@77.38.22.40> has joined ##OpenGL[17:06:16] *** stefkos_ <stefkos_!~Pawel@79.184.209.104.ipv4.supernova.orange.pl> has quit IRC (Remote host closed the connection)[17:22:10] *** mukunda <mukunda!mukunda@adsl-74-240-49-73.jan.bellsouth.net> has quit IRC (Ping timeout: 248 seconds)[17:28:40] *** Oipo <Oipo!~Oipo@87.214.187.153> has quit IRC (Quit: Leaving)[17:32:36] *** VladTheImplier <VladTheImplier!~VladTHeIm@x4d0bad11.dyn.telefonica.de> has joined ##OpenGL[17:36:11] <VladTheImplier> when using bumpmaps you calculate a normal from the difference in height. When using normal maps you just straight up get the normal. Just for the task of faking geometry detail using normals, both normalmaps and bumpmaps carry the same information, no difference. Am I wrong?[17:39:18] *** learningc <learningc!~learningc@121.122.92.39> has quit IRC (Remote host closed the connection)[17:42:48] *** learningc <learningc!~learningc@121.122.92.39> has joined ##OpenGL[17:44:59] *** learningc <learningc!~learningc@121.122.92.39> has quit IRC (Remote host closed the connection)[17:47:36] <snyp> VladTheImplier: Yeah.. I think so. I think normal maps are the norm pretty much. Not sure about other issues like precision, etc. and how the two approaches compare with each other.[17:47:48] *** learningc <learningc!~learningc@121.122.92.39> has joined ##OpenGL[17:49:35] *** learningc <learningc!~learningc@121.122.92.39> has quit IRC (Max SendQ exceeded)[17:52:17] <VladTheImplier> snyp: Hmm it's all theoretical thought foolery, buuut ignoring the performance penalty, bumpmaps are better because they carry height information for effects like parallax mapping and compress better because it's single channel information. So why don't games for instance calculate normalmaps at load time and save a disk space by not compressing 3-channel data?[17:53:37] <zid> what slope is at that height?[17:55:08] *** Singmyr <Singmyr!~Singmyr@c83-253-123-62.bredband.comhem.se> has joined ##OpenGL[17:57:14] *** Vasco <Vasco!vasco_O@LOOK.MOM.I.AM.ON.TEH.INTARD.NET> has joined ##OpenGL[17:57:43] <snyp> VladTheImplier: https://cgcookie.com/articles/normal-vs-displacement-mapping-why-games-use-normals <-- Could be this.[17:58:33] <snyp> I haven't played with displacment mapping, but the idea is probably to use some kind of level-of-detail setup so close objects use displacement maps while farther ones suffice with just normal maps.[18:01:32] <VladTheImplier> Found the quote. Ignore displacement mapping. In the back of my mind I had the memory, that bump and normalmaps do not carry the same information. "The most important advantage of this is that we can use angle information to artificially bend edges of adjacent faces toward each other to produce a bevelling effect. This cannot be done with only height information, because the renderer would have no way of knowing in which direction[18:01:32] <VladTheImplier> the edges should be bent."[18:02:38] <zid> what slope is at that height?[18:03:01] <VladTheImplier> zid: uhhm. the difference between neigboring slopes...?[18:03:09] <zid> what slopes[18:03:10] <VladTheImplier> i mean neigbohring heights[18:03:13] <zid> it's a height map[18:03:22] <VladTheImplier> The slope is the difference in height[18:03:28] <zid> you're going to interpolate it yourself?[18:03:37] <VladTheImplier> Yes. So it's the same information[18:03:38] <snyp> VladTheImplier: where is that quote from?[18:03:44] <VladTheImplier> From your article[18:03:52] <snyp> Ah[18:04:03] <VladTheImplier> So I claim, a bump map can 100% encode a normal map[18:04:12] <VladTheImplier> normal maps are shit, because the bump maps does it better[18:05:59] <VladTheImplier> "Bumpmaps [...] only contain height information and not angle information." But you can get the angle from the difference in height.[18:06:10] <VladTheImplier> I know I must be wrong somewhere here...[18:06:34] *** Adrinael <Adrinael!adrinael@dsl-hkibng21-54f8c5-237.dhcp.inet.fi> has joined ##OpenGL[18:06:49] <snyp> Could be.. normal maps are created by processing an artist generated height map after all. Maybe it's the extra fragment processing (get adjacent height values, central difference to get normal) was expensive around 2002 when normal maps started being used.[18:07:32] <snyp> iirc Splinter Cell was the one where they were first used.[18:08:46] <VladTheImplier> snyp: The performance penalty is obvious, but you can generate the normals at load time and save space by compressing just black and white images. Sooo.... listen here graphics industry, spread the word, the new graphics revolution starts here^^[18:09:17] <snyp> *shrug*[18:09:24] <VladTheImplier> My feeling is that I'm wrong, but I can't reason why.[18:15:52] *** cshzg <cshzg!~dietary@181.53.12.207> has quit IRC (Ping timeout: 246 seconds)[18:15:54] <VladTheImplier> ohh wait, you can't do backfacing with bump maps. That's the only difference I guess...[18:33:28] *** cshzg <cshzg!~dietary@181.53.12.207> has joined ##OpenGL[18:45:15] <mefesto_> just playing devils advocate but if we are pushing the perf penalty to load time... and if load time is a concern then we'd push it to asset build time which brings us back to having normal maps, right?[18:47:05] <zid> Time, space, pick one.[18:47:30] *** glYoda <glYoda!~kristinam@c-73-25-27-206.hsd1.or.comcast.net> has quit IRC (Quit: glYoda)[18:48:31] *** CoolerX <CoolerX!~coolerext@202.3.77.166> has left ##OpenGL ("Leaving")[18:50:56] <VladTheImplier> mefesto_: Correct. Just a thought experiment. I'm just wondering why bump maps couldnt encode the exact same information. The backfacing is the only difference I guess?[18:54:10] <Yaniel> there are also pixelation artifacts in the derivatives[18:58:26] *** Vasco is now known as Vasco_O[18:58:27] *** Vasco_O is now known as Vasco[19:02:17] <VladTheImplier> Yaniel: Yeah, Imagining infinite resolution. The encoded information is the same, except lacking backfacing...[19:03:07] <VladTheImplier> I just discovered, that starting my OpenGL Programm with INTEL_DEBUG=gs, fs prints the assembly for the shaders.[19:03:10] <VladTheImplier> thats so cool[19:03:24] <VladTheImplier> I thought shaders are a black box, but you can actually look inside![19:05:32] <VladTheImplier> "dump shader assembly to files at each optimization pass and iteration that make progress" That's amazing, how shaders end up executed on the GPU are not a black box :][19:11:09] *** tab-key <tab-key!~mantra@2601:601:c980:8fd:987d:ae3b:a667:ffdc> has joined ##OpenGL[19:11:51] *** CoolerX <CoolerX!~coolerext@202.3.77.166> has joined ##OpenGL[19:13:38] *** LunarJetman <LunarJetman!LunarJetma@176.248.197.112> has joined ##OpenGL[19:30:16] *** rook_flood <rook_flood!~ubuntu@ec2-3-218-42-239.compute-1.amazonaws.com> has joined ##OpenGL[19:30:28] *** Lord-Kamina <Lord-Kamina!~Lord-Kami@pc-71-21-164-190.cm.vtr.net> has joined ##OpenGL[19:42:36] *** mukunda <mukunda!mukunda@adsl-74-240-49-73.jan.bellsouth.net> has joined ##OpenGL[20:03:06] *** dogukan <dogukan!~dogukan@unaffiliated/dogukan> has joined ##OpenGL[20:13:52] *** mefesto_ <mefesto_!~user@107.145.49.162> has quit IRC (Quit: ERC (IRC client for Emacs 26.1))[20:14:39] *** bpmedley <bpmedley!~bpm@2600:1700:eb20:6050:652d:ece:6f44:f407> has quit IRC (Ping timeout: 250 seconds)[20:21:17] *** pa <pa!~pa@unaffiliated/pa> has quit IRC (Ping timeout: 245 seconds)[20:23:08] *** bitwinery <bitwinery!~bruno@c-71-59-192-149.hsd1.wa.comcast.net> has joined ##OpenGL[20:25:15] *** Lord-Kamina <Lord-Kamina!~Lord-Kami@pc-71-21-164-190.cm.vtr.net> has quit IRC (Ping timeout: 268 seconds)[20:25:25] *** pa <pa!~pa@unaffiliated/pa> has joined ##OpenGL[20:29:07] *** zalt <zalt!~lambda443@unaffiliated/lambda443> has joined ##OpenGL[20:29:40] *** neure <neure!~timo@mobile-access-5d6af6-46.dhcp.inet.fi> has quit IRC (Read error: Connection reset by peer)[20:30:55] *** neure <neure!~timo@mobile-access-5d6af6-46.dhcp.inet.fi> has joined ##OpenGL[20:33:32] *** cfoch <cfoch!uid153227@gateway/web/irccloud.com/x-ywblglilimnewlde> has quit IRC (Quit: Connection closed for inactivity)[20:44:28] *** gehn <gehn!gehn@gateway/vpn/privateinternetaccess/gehn> has joined ##OpenGL[20:45:07] *** slidercrank <slidercrank!~slidercra@ircpuzzles/2015/april-fools/fifth/slidercrank> has joined ##OpenGL[21:02:20] *** Lord-Kamina <Lord-Kamina!~Lord-Kami@pc-71-21-164-190.cm.vtr.net> has joined ##OpenGL[21:26:17] *** Lord-Kamina <Lord-Kamina!~Lord-Kami@pc-71-21-164-190.cm.vtr.net> has quit IRC (Ping timeout: 245 seconds)[21:39:35] <Sleaker> VladTheImplier: I think that's pretty new.[21:56:17] *** mukunda <mukunda!mukunda@adsl-74-240-49-73.jan.bellsouth.net> has quit IRC (Ping timeout: 245 seconds)[22:03:17] *** Twipply <Twipply!~Twipply@unaffiliated/twipply> has joined ##OpenGL[22:06:05] *** ImQ009 <ImQ009!~ImQ009@unaffiliated/imq009> has quit IRC (Quit: Leaving)[22:18:50] *** slime <slime!~slime73@blk-215-81-93.eastlink.ca> has joined ##OpenGL[22:19:41] *** DrBenway <DrBenway!~DrBenway@modemcable080.164-57-74.mc.videotron.ca> has joined ##OpenGL[22:30:47] *** mukunda <mukunda!mukunda@adsl-74-240-49-73.jan.bellsouth.net> has joined ##OpenGL[22:40:02] *** cshzg <cshzg!~dietary@181.53.12.207> has quit IRC (Ping timeout: 248 seconds)[22:40:12] *** Kingsquee <Kingsquee!~kingsquee@node-1w7jr9qmxqrpow98mke9t5qou.ipv6.telus.net> has joined ##OpenGL[22:44:38] *** CoolerX <CoolerX!~coolerext@202.3.77.166> has quit IRC (Ping timeout: 245 seconds)[22:47:33] *** neure <neure!~timo@mobile-access-5d6af6-46.dhcp.inet.fi> has quit IRC (Remote host closed the connection)[22:53:50] *** immibis <immibis!~immibis@222-153-90-196-fibre.sparkbb.co.nz> has joined ##OpenGL[22:55:46] *** cshzg <cshzg!~dietary@181.53.12.207> has joined ##OpenGL[22:59:45] *** Lord-Kamina <Lord-Kamina!~Lord-Kami@pc-71-21-164-190.cm.vtr.net> has joined ##OpenGL[23:07:46] *** immibis <immibis!~immibis@222-153-90-196-fibre.sparkbb.co.nz> has quit IRC (Ping timeout: 248 seconds)[23:16:42] *** mukunda <mukunda!mukunda@adsl-74-240-49-73.jan.bellsouth.net> has quit IRC (Ping timeout: 245 seconds)[23:21:34] *** LunarJetman <LunarJetman!LunarJetma@176.248.197.112> has quit IRC (Ping timeout: 272 seconds)[23:23:26] *** jbracey <jbracey!uid371587@gateway/web/irccloud.com/x-aevuuvgfyrtpjdss> has joined ##OpenGL[23:25:47] <jbracey> Hey question, can I use gl.Begin(OpenGL.GL_QUADS)/g.End() with shaders?[23:26:44] <derhass> yes[23:27:31] <jbracey> How do I direct the vertex attribute?[23:27:43] <derhass> glVertexAttrib[23:27:57] <derhass> but you must be very careful[23:28:16] <derhass> because a vertex is only genereated by glVertex or attribute 0[23:28:33] <derhass> it is really not worth it[23:36:44] <BPL> maybe using GL_LINES_ADJACENCY instead GL_QUADS is an option? That way you won't need the good old glBegin/glEnd pair[23:37:36] <derhass> BPL: I don't see the point[23:37:53] <BPL> derhass: what do you mean?[23:37:58] <derhass> LINES_ADJACENCY requires a geometry shader[23:38:17] <derhass> also, one can use GL_QUADS in a vertex array, it is totally unrelated to begin/end[23:39:00] <BPL> yeah, it requires a geometry shader, so is that a problem?[23:39:23] <derhass> everything which uses a geometry shader is a problem[23:40:00] <BPL> well, if i'm not mistaken GL_QUADS was deprecated in version 3.0 and removed in 3.1...[23:40:11] <BPL> so what do you suggest then?[23:40:31] <derhass> triangles or triangle strips[23:41:53] <BPL> well... the geometry shader would output triangle strips... so again, i don't see any issue with using LINES_ADJACENCY[23:43:09] <BPL> that said, the good old GL_QUADS way was really convenient when dealing with quad meshes :/[23:48:47] *** Lord-Kamina <Lord-Kamina!~Lord-Kami@pc-71-21-164-190.cm.vtr.net> has quit IRC (Ping timeout: 245 seconds)[23:49:10] <BPL> https://www.khronos.org/opengl/wiki/Primitive#Quads , read the section about "Adjacency primitives"[23:55:32] *** snyp <snyp!~Snyp@49.207.48.89> has quit IRC (Quit: WeeChat 2.5)[23:57:00] *** dogukan <dogukan!~dogukan@unaffiliated/dogukan> has quit IRC (Quit: Konversation terminated!)